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- In the twodimensional wind tunnel, systematic experimental researches were carried out on the phenomenon of reverse transition on a heated plane with stable density stratification. 针对加热平板表面密度分层结构中的逆转捩现象,在二元风洞中进行了系统的实验研究。
- Some examples are given, showing that density stratification can have a large effect on the added mass and damping of the floating rectangular box in a two-layer fluid over a range of frequencies. 对所建立的求解模型进行了数值计算分析，结果表明在矩形箱浮体的某个振荡频率范围内，流体的分层效应对其附加质量和阻尼系数有显著影响的。
- density stratification 密度分层作用
- The density of population in this city is very high. 这个城市的人口密度非常高。
- The area had a population density of five people per square mile. 该地区人口密度为每平方英里五人。
- Social Stratification and Social st. 当代中国的社会分层与社会稳定;
- Stratification of rocks into beds. 层理岩石层理形成地层
- The density goes down exponentially with height. 分子密度随着高度的上升而指数衰减。
- The population density is evened out. 种群密度亦趋于均匀化。
- Experiment is carried out on stratification of material with different density components in jigging process at different time. 选择两组不同密度组成的物料进行了不同时间的跳汰分层试验。
- Density exceeded 100 nests per mile. 丝巢密度超过每英里100巢。
- Do you know the density of population in this area? 你知道这个地区的人口密度吗?
- This wave of excess density is sound. 这种过剩密度的波就是声波。
- The density logger consists of a radiation source. 密度测井仪包括辐射源。
- Methods Investigating the rodent density by ELTON. 方法用ELTON夹夜法对鼠密度进行调查。
- By the charge density we mean the per unit volume. 所谓的电荷密度是指单位体积的电荷。
- The entropy density is constant ahead of the shock. 冲击波前方的熵密度是恒定的。
- The driver had to stop because the density of the fog made it difficult to see. 由於浓雾使道路很难看清,司机不得不停车。
- Mercury has a much greater density than water. 水银的密度比水大得多。
- Yarn number is a measure of linear density. 纱线细度是纱线线密度的一种度量方法。
